Abstract
Degradation of ecological quality due to chromium mobility in soil via anthropogenic activities like mining, electroplating, leather tanning, wood polishing, dyes and pigment manufacturing, etc., are creating serious environmental nuisance. Among various oxidative states of chromium, Cr6+ is considered as one of the nonessential life-supporting element due to its potential fatality. Thus, scientific controlling and minimization of Cr6+ in soil is the need of the hour. As a result, bacteria-tooled bioremediation is gaining importance due to its greener approach. Therefore, the present chapter will emphasize on the physiological and cellular activity of bacteria toward minimization of Cr6+. Also, the concept of aerobic and anaerobic mode of bioremediation will be discussed along with other necessary aspects of the process for proper understanding of the remedial mechanism. Lastly, the chapter will conclude with future prospective of bacterial bioremediation for deionization of Cr6+ tainted soil as a safer and greener approach.
Published Version
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